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  3. Roomba 775 combo vs RVF 7

iRobot Roomba 775 combo vs Kärcher RVF 7

What Roomba 775 combo does better (3) and where RVF 7 wins (3) — every spec side by side.

iRobot Roomba 775 combo
iRobot · 2026Roomba 775 combo
4.9Score
3 advantages≈ US$610
vs
Kärcher RVF 7
Kärcher · 2026RVF 7
6.9Score
3 advantages≈ US$650
Higher score
5.5Cleaning power6.1
2.4Navigation7.3

Why is Roomba 775 combo better than RVF 7?

  1. Base stationAuto-empty dock vs Charging dock
  2. Dustbin (robot)400 ml vs 250 ml+60%
  3. Charging time180 min vs 230 min+28%

Why is RVF 7 better than Roomba 775 combo?

  1. Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
  2. Threshold climbing15 mm vs 18 mm+20%
  3. Noise level70 dB vs 67 dB+4%
Specifications

Side by side

Kärcher RVF 7Kärcher RVF 7≈ US$6506.9
Suction & cleaning
Suction power—13,000 Pa
Dustbin (robot)400 ml250 ml
Main brush—Single main brush
Anti-tangle brushYesYes
Side brushes—2
Carpet detection—Yes
Dirt detection—Yes
HEPA filterYes—
Noise level70 dB67 dB
Navigation & obstacles
Navigation—Laser (LiDAR)
Navigation sensorsCliff sensorsLiDAR laser (LDS), Wall sensor, Cliff sensors
Obstacle avoidanceBasic sensors (infrared / bumper)AI camera
Threshold climbing15 mm18 mm
No-go zones / virtual wallsYes—
Room mapping & room selection—Yes
Mopping
Mop type—Roller mop
Mop lifting on carpets—Yes
Water tank (robot)—130 ml
Base station
Base stationAuto-empty dockCharging dock
Auto-empty dust stationYes—
Clean water tank (dock)—3 l
Dirty water tank (dock)—2.4 l
Battery & runtime
Battery capacity—5,200 mAh
Runtime—150 min
Charging time180 min230 min
Size & weight
Width / diameter—360 mm
Length—360 mm
Height—105 mm
Weight3.9 kg5.6 kg
Shape—Round
Colours—White, Black
App & smart home
App control—Yes
Live camera view / video call—Yes
Remote controlYes—
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